NAME¶
pbmpscale - enlarge a portable bitmap with edge smoothing
SYNOPSIS¶
pbmpscale N [ pbmfile ]
DESCRIPTION¶
Reads a portable bitmap as input, and outputs a portable bitmap enlarged N
times. Enlargement is done by pixel replication, with some additional
smoothing of corners and edges.
SEE ALSO¶
pnmenlarge(1), ppmscale(1),
pbm(5)
AUTHOR¶
Copyright (C) 1990 by Angus Duggan Copyright (C) 1989 by Jef Poskanzer.
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted, provided that
the above copyright notice appear in all copies and that both that copyright
notice and this permission notice appear in supporting documentation. This
software is provided "as is" without express or implied warranty.
NOTES¶
pbmpscale works best for enlargements of 2. Enlargements greater than 2 should
be done by as many enlargements of 2 as possible, followed by an enlargement
by the remaining factor.